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   1 #
   2 # cris/Makefile
   3 #
   4 # This file is included by the global makefile so that you can add your own
   5 # architecture-specific flags and dependencies. Remember to do have actions
   6 # for "archclean" and "archdep" for cleaning up and making dependencies for
   7 # this architecture
   8 #
   9 # This file is subject to the terms and conditions of the GNU General Public
  10 # License.  See the file "COPYING" in the main directory of this archive
  11 # for more details.
  12
  13 KBUILD_DEFCONFIG := etrax-100lx_v2_defconfig
  14
  15 arch-y := v10
  16 arch-$(CONFIG_ETRAX_ARCH_V10) := v10
  17 arch-$(CONFIG_ETRAX_ARCH_V32) := v32
  18
  19 # No config available for make clean etc
  20 mach-y := fs
  21 mach-$(CONFIG_CRIS_MACH_ARTPEC3) := a3
  22 mach-$(CONFIG_ETRAXFS) := fs
  23
  24 ifneq ($(arch-y),)
  25 SARCH := arch-$(arch-y)
  26 else
  27 SARCH :=
  28 endif
  29
  30 ifneq ($(mach-y),)
  31 MACH := mach-$(mach-y)
  32 else
  33 MACH :=
  34 endif
  35
  36 LD = $(CROSS_COMPILE)ld -mcrislinux
  37
  38 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  39
  40 CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
  41
  42 KBUILD_AFLAGS += -mlinux -march=$(arch-y) -Iinclude/asm/arch/mach -Iinclude/asm/arch
  43
  44 KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe -Iinclude/asm/arch/mach -Iinclude/asm/arch
  45
  46 ifdef CONFIG_FRAME_POINTER
  47 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
  48 KBUILD_CFLAGS += -fno-omit-frame-pointer
  49 endif
  50
  51 head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o
  52
  53 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a)
  54
  55 core-y          += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
  56 core-y          += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
  57 ifdef CONFIG_ETRAX_ARCH_V32
  58 core-y          += arch/$(ARCH)/$(SARCH)/$(MACH)/
  59 endif
  60 drivers-y       += arch/$(ARCH)/$(SARCH)/drivers/
  61 libs-y          += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
  62
  63 # cris source path
  64 SRC_ARCH              = $(srctree)/arch/$(ARCH)
  65 # cris object files path
  66 OBJ_ARCH              = $(objtree)/arch/$(ARCH)
  67
  68 boot := arch/$(ARCH)/boot
  69 MACHINE := arch/$(ARCH)/$(SARCH)
  70
  71 all: zImage
  72
  73 zImage Image: vmlinux
  74         $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
  75
  76 archprepare: $(SRC_ARCH)/.links $(srctree)/include/asm-$(ARCH)/.arch FORCE
  77
  78 # Create some links to make all tools happy
  79 $(SRC_ARCH)/.links:
  80         @rm -rf $(SRC_ARCH)/drivers
  81         @ln -sfn $(SARCH)/drivers $(SRC_ARCH)/drivers
  82         @rm -rf $(SRC_ARCH)/boot
  83         @ln -sfn $(SARCH)/boot $(SRC_ARCH)/boot
  84         @rm -rf $(SRC_ARCH)/lib
  85         @ln -sfn $(SARCH)/lib $(SRC_ARCH)/lib
  86         @rm -f $(SRC_ARCH)/arch/mach
  87         @rm -rf $(SRC_ARCH)/arch
  88         @ln -sfn $(SARCH) $(SRC_ARCH)/arch
  89 ifdef CONFIG_ETRAX_ARCH_V32
  90         @ln -sfn ../$(SARCH)/$(MACH) $(SRC_ARCH)/arch/mach
  91 endif
  92         @rm -rf $(SRC_ARCH)/kernel/vmlinux.lds.S
  93         @ln -sfn ../$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
  94         @rm -rf $(SRC_ARCH)/kernel/asm-offsets.c
  95         @ln -sfn ../$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
  96         @touch $@
  97
  98 # Create link to sub arch includes
  99 $(srctree)/include/asm-$(ARCH)/.arch: $(wildcard include/config/arch/*.h)
 100         @echo '  SYMLINK include/asm-$(ARCH)/arch -> include/asm-$(ARCH)/$(SARCH)'
 101         @rm -f $(srctree)/include/asm-$(ARCH)/arch/mach
 102         @rm -f $(srctree)/include/asm-$(ARCH)/arch
 103         @ln -sf $(SARCH) $(srctree)/include/asm-$(ARCH)/arch
 104 ifdef CONFIG_ETRAX_ARCH_V32
 105         @ln -sf $(MACH) $(srctree)/include/asm-$(ARCH)/arch/mach
 106 endif
 107         @touch $@
 108
 109 archclean:
 110         $(Q)if [ -e arch/$(ARCH)/boot ]; then \
 111                 $(MAKE) $(clean)=arch/$(ARCH)/boot; \
 112         fi
 113
 114 CLEAN_FILES += \
 115         $(MACHINE)/boot/zImage \
 116         $(MACHINE)/boot/compressed/decompress.bin \
 117         $(MACHINE)/boot/compressed/piggy.gz \
 118         $(MACHINE)/boot/rescue/rescue.bin \
 119         $(SRC_ARCH)/.links \
 120         $(srctree)/include/asm-$(ARCH)/.arch
 121
 122 MRPROPER_FILES += \
 123         $(SRC_ARCH)/drivers \
 124         $(SRC_ARCH)/boot \
 125         $(SRC_ARCH)/lib \
 126         $(SRC_ARCH)/arch \
 127         $(SRC_ARCH)/kernel/vmlinux.lds.S \
 128         $(SRC_ARCH)/kernel/asm-offsets.c
 129
 130 define archhelp
 131   echo  '* zImage        - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
 132   echo  '* Image         - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
 133 endef